Shure Incorporated
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Troubleshooting
Issue
Indicator Status
Solution
No sound or faint sound
Receiver RF LED on
Verify all sound system connections or ad
just gain as needed (see Adjusting Gain).
Verify that the receiver is connected to mix
er/amplifier.
Receiver RF LED off
Turn on transmitter.
Make sure the batteries are installed correct
ly.
Link transmitter and receiver (see Linking
topic).
Charge or change transmitter battery.
Receiver LCD screen
off
Make sure AC adapter is securely plugged
into electrical outlet.
Make sure receiver is powered on.
Transmitter indicator
LED flashing red
Charge or change transmitter battery.
Transmitter plugged
into charger.
Disconnect transmitter from charger.
Audio artifacts or dropouts
rf LED flickering or off
Change receiver and transmitter to a differ
ent group and/or channel.
Identify nearby sources of interference (cell
phones, WiFi access points, signal proces
sor, etc...) and shutdown or remove source.
Charge or change transmitter battery.
Ensure that receiver and transmitter are po
sitioned within system parameters.
System must be set up within recommended
range and receiver kept away from metallic
surfaces.
Transmitter must be used in line of sight
from receiver for optimal sound.
Distortion
OL indicator appears on
receiver LCD
Reduce transmitter gain (see Gain Adjust
ment).
Transmitter and receiver link unsuccessful
Transmitter and receiver
LEDs flash to indicate
that linking started, but
the link fails
Update both components to firmware ver
sion 2.0 or greater. Download the Shure Up
date Utility application and follow the instruc
tions.